Finding the Fourth Proportional to 189,207.28, 283,657.02 and 70,812.28
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Solution
The fourth proportional to 189,207.28, 283,657.02 and 70,812.28 is: 106,160.82
Step by Step Solution
- Step 1: Write the proportion equation
189,207.28 : 283,657.02 = 70,812.28 : x - Step 2: Convert to fraction form
189,207.28/283,657.02 = 70,812.28/x - Step 3: Cross multiply
189,207.28x = 283,657.02 × 70,812.28 - Step 4: Simplify right side
189,207.28x = 20,086,400,324.21 - Step 5: Solve for x
x = 20,086,400,324.21/189,207.28 - Step 6: Final answer
x = 106,160.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.